TABLE 6.

Brain amino acids and neurotransmitters

Values are means in μmol/g wet weight ± S.E. with n = 12. Acetylcholine is in nmol/g wet weight.

Substrate	Starch	Fat	Ketone ester
l-Glutamate	13.4 ± 0.62	11.3 ± 0.62a	10.5 ± 0.61b
l-Glutamine	6.45 ± 0.48	6.12 ± 0.33	5.65 ± 0.44
GABA	1.86 ± 0.13	1.22 ± 0.08a	1.20 ± 0.10b
NH4+	0.371 ± 0.027	0.312 ± 0.020	0.319 ± 0.063
l-Aspartate	1.81 ± 0.03	1.73 ± 0.12	1.52 ± 0.14
Acetylcholine nmol/g	27.4 ± 1.5	25.4 ± 1.1	22.9 ± 1.8

^a p < 0.05 between fat and starch as judged by Mann-Whitney U test.

^b p < 0.05 between ketone ester and starch.